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Update std_image and stb_image_resize to af1a5bc.

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This brings a lot of bugfixes, most of them are irrelevant for us. At
least as long as the game is run with standard assets...
This commit is contained in:
Yamagi 2021-11-01 16:41:22 +01:00
parent 5eba52008b
commit 67f22cce17
2 changed files with 582 additions and 240 deletions
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558
src/client/refresh/files/stb_image.h
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22
src/client/refresh/files/stb_image_resize.h
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@ -1,4 +1,4 @@
/* stb_image_resize - v0.96 - public domain image resizing
/* stb_image_resize - v0.97 - public domain image resizing
by Jorge L Rodriguez (@VinoBS) - 2014
http://github.com/nothings/stb
@ -159,6 +159,7 @@
Nathan Reed: warning fixes
REVISIONS
0.97 (2020-02-02) fixed warning
0.96 (2019-03-04) fixed warnings
0.95 (2017-07-23) fixed warnings
0.94 (2017-03-18) fixed warnings
@ -1063,7 +1064,11 @@ static void stbir__calculate_coefficients_upsample(stbir_filter filter, float sc
total_filter += coefficient_group[i];
}
STBIR_ASSERT(stbir__filter_info_table[filter].kernel((float)(in_last_pixel + 1) + 0.5f - in_center_of_out, 1/scale) == 0);
// NOTE(fg): Not actually true in general, nor is there any reason to expect it should be.
// It would be true in exact math but is at best approximately true in floating-point math,
// and it would not make sense to try and put actual bounds on this here because it depends
// on the image aspect ratio which can get pretty extreme.
//STBIR_ASSERT(stbir__filter_info_table[filter].kernel((float)(in_last_pixel + 1) + 0.5f - in_center_of_out, 1/scale) == 0);
STBIR_ASSERT(total_filter > 0.9);
STBIR_ASSERT(total_filter < 1.1f); // Make sure it's not way off.
@ -1102,7 +1107,11 @@ static void stbir__calculate_coefficients_downsample(stbir_filter filter, float
coefficient_group[i] = stbir__filter_info_table[filter].kernel(x, scale_ratio) * scale_ratio;
}
STBIR_ASSERT(stbir__filter_info_table[filter].kernel((float)(out_last_pixel + 1) + 0.5f - out_center_of_in, scale_ratio) == 0);
// NOTE(fg): Not actually true in general, nor is there any reason to expect it should be.
// It would be true in exact math but is at best approximately true in floating-point math,
// and it would not make sense to try and put actual bounds on this here because it depends
// on the image aspect ratio which can get pretty extreme.
//STBIR_ASSERT(stbir__filter_info_table[filter].kernel((float)(out_last_pixel + 1) + 0.5f - out_center_of_in, scale_ratio) == 0);
for (i = out_last_pixel - out_first_pixel; i >= 0; i--)
{
@ -1238,7 +1247,7 @@ static float* stbir__get_decode_buffer(stbir__info* stbir_info)
return &stbir_info->decode_buffer[stbir_info->horizontal_filter_pixel_margin * stbir_info->channels];
}
#define STBIR__DECODE(type, colorspace) ((type) * (STBIR_MAX_COLORSPACES) + (colorspace))
#define STBIR__DECODE(type, colorspace) ((int)(type) * (STBIR_MAX_COLORSPACES) + (int)(colorspace))
static void stbir__decode_scanline(stbir__info* stbir_info, int n)
{
@ -1551,7 +1560,6 @@ static void stbir__resample_horizontal_downsample(stbir__info* stbir_info, float
{
int out_pixel_index = k * 1;
float coefficient = horizontal_coefficients[coefficient_group + k - n0];
STBIR_ASSERT(coefficient != 0);
output_buffer[out_pixel_index + 0] += decode_buffer[in_pixel_index + 0] * coefficient;
}
}
@ -1572,7 +1580,6 @@ static void stbir__resample_horizontal_downsample(stbir__info* stbir_info, float
{
int out_pixel_index = k * 2;
float coefficient = horizontal_coefficients[coefficient_group + k - n0];
STBIR_ASSERT(coefficient != 0);
output_buffer[out_pixel_index + 0] += decode_buffer[in_pixel_index + 0] * coefficient;
output_buffer[out_pixel_index + 1] += decode_buffer[in_pixel_index + 1] * coefficient;
}
@ -1594,7 +1601,6 @@ static void stbir__resample_horizontal_downsample(stbir__info* stbir_info, float
{
int out_pixel_index = k * 3;
float coefficient = horizontal_coefficients[coefficient_group + k - n0];
STBIR_ASSERT(coefficient != 0);
output_buffer[out_pixel_index + 0] += decode_buffer[in_pixel_index + 0] * coefficient;
output_buffer[out_pixel_index + 1] += decode_buffer[in_pixel_index + 1] * coefficient;
output_buffer[out_pixel_index + 2] += decode_buffer[in_pixel_index + 2] * coefficient;
@ -1617,7 +1623,6 @@ static void stbir__resample_horizontal_downsample(stbir__info* stbir_info, float
{
int out_pixel_index = k * 4;
float coefficient = horizontal_coefficients[coefficient_group + k - n0];
STBIR_ASSERT(coefficient != 0);
output_buffer[out_pixel_index + 0] += decode_buffer[in_pixel_index + 0] * coefficient;
output_buffer[out_pixel_index + 1] += decode_buffer[in_pixel_index + 1] * coefficient;
output_buffer[out_pixel_index + 2] += decode_buffer[in_pixel_index + 2] * coefficient;
@ -1642,7 +1647,6 @@ static void stbir__resample_horizontal_downsample(stbir__info* stbir_info, float
int c;
int out_pixel_index = k * channels;
float coefficient = horizontal_coefficients[coefficient_group + k - n0];
STBIR_ASSERT(coefficient != 0);
for (c = 0; c < channels; c++)
output_buffer[out_pixel_index + c] += decode_buffer[in_pixel_index + c] * coefficient;
}